2)- The National Science Foundation reports that 70 % of the U.S. graduate students who earn Ph.D. degrees in engineering are foreign nationals (Science, Sep 24, 1993). Consider the number of foreign students in a random sample of 25 engineering students who recently earned their Ph.D. 1. Find P(y = 10). 2. Find Ply s 5). 3. Find the mean and standard deviation for y.

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A: Please refer to the image below

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A:

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Q: refer  to  image  below.

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.